Daguan climate — normals and trends
Daguan (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.2 °C and it receives 1,490 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (26.1 °C on average) and the coldest is January (5.6 °C). Rainfall peaks in June.
Daguan averages 9 frost days, 46 hot days (≥ 30 °C) and 188 rainy days per year.
Daguan has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The number of frost days there went from about 14 to 4 per year over the period.
The hottest day of the period reached 39.5 °C (on 15 August 2006) and the coldest -9.4 °C (on 9 February 1945).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
DaguanChongqing Municipality
- coords
- 29.25°, 106.98°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.2°C
Average daily high
19.6°C
Average daily low
13.1°C
Annual rainfall
1,490mm
Sunshine / day
5.8h
Mean relative humidity
81%
Average peak wind
8.7km/h
Seasonal range
20.5°C
Frost days (< 0 °C)
9 d/yr
Hot days (≥ 30 °C)
46 d/yr
Rainy days (≥ 1 mm)
188 d/yr
Annual snowfall
10.6 cm
Average feels-like high
20.5 °C
Average feels-like low
13.3 °C
Average peak gust
24.7 km/h
Tropical nights (≥ 20 °C)
84 d/yr
Solar radiation
11.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.30 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
39.5 °C
15 August 2006
Coldest day
-9.4 °C
9 February 1945
Wettest day
124 mm
3 July 1986
Windiest day
49.4 km/h
28 May 1946
Strongest gust
108.0 km/h
28 June 1946
Hottest feels-like
44.1 °C
27 July 1958
Coldest feels-like
-13.5 °C
9 February 1945
Snowiest day
7.1 cm
27 December 1991
Sunniest day
13.9 h
29 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 10.3 °C | +2.1 °C | 66 mm | +24 mm |
| Feb | 10.0 °C | -0.4 °C | 40 mm | -7 mm |
| Mar | 15.3 °C | -0.1 °C | 91 mm | -3 mm |
| Apr | 23.0 °C | +2.5 °C | 106 mm | -39 mm |
| May | 25.6 °C | +1.7 °C | 165 mm | -29 mm |
| Jun | 27.6 °C | +1.2 °C | 253 mm | +55 mm |
| Jul | 32.3 °C | +2.3 °C | 239 mm | +45 mm |
| Aug | 32.3 °C | +2.2 °C | 115 mm | -58 mm |
| Sep | 28.3 °C | +2.7 °C | 129 mm | -12 mm |
| Oct | 22.4 °C | +2.7 °C | 147 mm | +18 mm |
| Nov | 15.1 °C | +0.2 °C | 87 mm | +2 mm |
| Dec | 11.8 °C | +2.1 °C | 51 mm | +2 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Daguan?
Daguan has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.2 °C and it receives 1,490 mm of precipitation per year.
What is the hottest day ever recorded in Daguan?
The hottest day measured in Daguan between 1940 and 2025 was 15 August 2006, reaching 39.5 °C.
What is the coldest day in Daguan?
The coldest day measured in Daguan between 1940 and 2025 was 9 February 1945, at -9.4 °C.
Does it snow in Daguan?
Yes. Daguan gets on average 10.6 cm of snow per year and has around 9 frost days.
Has the climate of Daguan warmed?
Yes: Daguan warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Daguan?
The wettest day measured in Daguan between 1940 and 2025 was 3 July 1986, with 124 mm of rain in 24 hours.
What was the windiest day in Daguan?
The windiest day measured in Daguan between 1940 and 2025 was 28 May 1946, with winds reaching 49.4 km/h.
What is the warmest month in Daguan?
The warmest month in Daguan is July (26.1 °C on average); the coldest is January (5.6 °C).
How much does it rain in Daguan?
Daguan receives on average 1,490 mm of precipitation per year, spread over about 188 rainy days.
Is it sunny in Daguan?
Daguan gets on average 5.8 hours of sunshine per day, roughly 2,117 hours per year over 1940-2025.
What is the biggest single-day snowfall in Daguan?
The heaviest 24-hour snowfall measured in Daguan between 1940 and 2025 was 27 December 1991, with 7.1 cm.
Are there tropical nights in Daguan?
Yes: Daguan has on average 84 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Daguan?
In Daguan, between 1940 and 2025, the highest apparent temperature reached 44.1 °C on 27 July 1958, and the lowest was -13.5 °C on 9 February 1945.
Compare Daguan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Daguan